Homeowner gets heated over delays to repair air conditioner National recall affects 1.7 million units due to potential mold problem ...

What temperature should you set your air conditioner? According to the Environmental Protection Agency, the optimal AC temperature for peak comfort and energy efficiency is 78°F.

Delhi AQI improves: Capital breathes cleaner air, but remains India’s most polluted city Mumbai showed the best improvement with a 44 per cent drop, followed by Kolkata with 37 per cent, and ...

How low should you set your thermostat for as record-breaking heat sweeps over the country? Here's what experts and other Floridians say.

The dust has also caused sore eyes and difficulties with breathing, residents say.

Nedrow, N.Y. — A portable air conditioner malfunction caused a house fire in Nedrow early Sunday. Around 4:20 a.m., firefighters responded to a house fire on the 100 block of Cedric Avenue ...

Polluted air may have been masking the full effects of global warming. Cleaner air could now be revealing more of the human-induced global warming from greenhouse gases.

Global warming has picked up pace since around 2010, leading to the recent string of record warm years. Why this is happening is still unclear, and among the biggest questions in climate science today ...